880
NOUS41 KWBC 142100
PNSWSH
SERVICE CHANGE NOTICE 26-66
NATIONAL WEATHER SERVICE HEADQUARTERS SILVER SPRING MD
500 PM TUE JUL 14 2026
TO: SUBSCRIBERS:
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
-NOAAPORT
OTHER NWS PARTNERS AND EMPLOYEES
FROM: CLINTON WALLACE
DIRECTOR, SPACE WEATHER PREDICTION CENTER
SUBJECT: THE EXPERIMENTAL SOLAR WIND DISPLAY PRODUCT FOR IN-SITU
INSTRUMENTS WILL TRANSITION TO OPERATIONAL STATUS ON OR ABOUT
AUGUST 13, 2026.
THE NATIONAL WEATHER SERVICE (NWS) WILL TRANSITION TO OPERATIONS
THE EXPERIMENTAL SOLAR WIND DISPLAY WITH DATA FROM THE NOAA
SPACE WEATHER OBSERVATIONS AT LAGRANGE POINT 1 (L1) TO ADVANCE
READINESS (SOLAR-1) SPACECRAFT AND THE NASA ADVANCED COMPOSITION
EXPLORER (ACE) ON OR ABOUT AUGUST 13, 2026. WHEN THEY BECOME
AVAILABLE, DATA WILL BE ADDED FROM THE NASA INTERSTELLAR MAPPING
AND ACCELERATION PROBE (IMAP).
THESE SPACECRAFT ARE LOCATED AT THE L1 BETWEEN THE EARTH AND THE
SUN, ABOUT 1,500,000 KM UPWIND OF EARTH. THIS LOCATION ALLOWS
THE SPACE WEATHER PREDICTION CENTER (SWPC) TO PROVIDE UP TO ONE
HOUR OF ADVANCED WARNING OF GEOMAGNETIC STORMS BEFORE THEY
ARRIVE AT EARTH. THESE STORMS CAN IMPACT THE ELECTRICAL POWER
GRID, AIRCRAFT, GPS, AND SATELLITE OPERATIONS.
SOLAR-1 IN SITU INSTRUMENTS INCLUDE THE SOLAR WIND PLASMA SENSOR
(SWIPS), THE SUPRATHERMAL ION SENSOR (STIS), AND A MAGNETOMETER
(MAG).IMAP INSTRUMENTS INCLUDE THE SOLAR WIND AND PICKUP IONS
(SWAPI), THE COMPACT DUAL ION COMPOSITION EXPERIMENT (CODICE),
AND A MAGNETOMETER (MAG). SWIPS AND SWAPI PROVIDE INFORMATION
ABOUT THE SOLAR WIND PLASMA, WHILE STIS AND CODICE PROVIDE
INFORMATION ABOUT THE ENERGIES AND AMOUNT OF SOLAR PARTICLES
PRESENT. ACE INSTRUMENTS INCLUDE THE SOLAR WIND ELECTRON PROTON
ALPHA MONITOR (SWEPAM) AND A MAGNETOMETER (MAG).
THIS NEW SOLAR WIND DISPLAY CAN BE FOUND AT
HTTPS://WWW.SPACEWEATHER.GOV/PRODUCTS/SOLAR-WIND.
A DESCRIPTION OF THE SOLAR WIND DISPLAY PRODUCT FOR IN-SITU
INSTRUMENTS CAN BE FOUND AT THE FOLLOWING LINK:
HTTPS://NSDESK.SERVICENOWSERVICES.COM/API/G_NOA/NWSPC/RES2/17E79
BC6CF0E47583452F7F42F851CAF
PLEASE SUBMIT QUESTIONS TO:
BRENT GORDON
DEPUTY DIRECTOR
SPACE WEATHER PREDICTION CENTER
BOULDER, CO
BRENT.GORDON@NOAA.GOV
NATIONAL SERVICE CHANGE NOTICES ARE ONLINE AT:
HTTPS://WWW.WEATHER.GOV/NOTIFICATION/
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page